PettingZoo/View/MainWindow.xaml

<Window x:Class="PettingZoo.View.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:res="clr-namespace:PettingZoo.Properties"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:viewModel="clr-namespace:PettingZoo.ViewModel"
        mc:Ignorable="d"
        d:DataContext="{d:DesignInstance viewModel:MainViewModel}"
        Width="800" 
        Height="600"
        ResizeMode="CanResizeWithGrip"
        Style="{StaticResource WindowStyle}"
        Title="{x:Static res:Resources.MainWindowTitle}">
    <DockPanel>
        <ToolBar DockPanel.Dock="Top" ToolBarTray.IsLocked="True">
            <Button Command="{Binding ConnectCommand}" Content="Connect"></Button>
            <Button Command="{Binding DisconnectCommand}" Content="Disconnect"></Button>
            <Separator Style="{StaticResource {x:Static ToolBar.SeparatorStyleKey}}" />
            <Button Command="{Binding ClearCommand}" Content="Clear messages"></Button>
        </ToolBar>
        <StatusBar DockPanel.Dock="Bottom">
            <StatusBarItem>
                <TextBlock />
            </StatusBarItem>
        </StatusBar>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="5" />
                <ColumnDefinition Width="200" />
            </Grid.ColumnDefinitions>
        </Grid>
    </DockPanel>
</Window>